This listing is for a vintage paper advertisement. This is a 1964 ad for a American Optical Company Stereo Microscopes! The size of the ad is approximately 5x11inches. The caption for this ad is 'AO Cycloptics deliver critical performance in Litton Systems' Super clean room' The ad is in good overall condition, with a piece of the corner missing from the upper right. This vintage ad would look great framed and displayed! Add it to your collection today!